| | |
| | | /** |
| | | * A method to guess the mime_type of an attachment. |
| | | * |
| | | * @param string $path Path to the file. |
| | | * @param string $path Path to the file or file contents |
| | | * @param string $name File name (with suffix) |
| | | * @param string $failover Mime type supplied for failover. |
| | | * @param string $is_stream Set to True if $path contains file body |
| | | * @param string $failover Mime type supplied for failover |
| | | * @param boolean $is_stream Set to True if $path contains file contents |
| | | * @param boolean $skip_suffix Set to True if the config/mimetypes.php mappig should be ignored |
| | | * |
| | | * @return string |
| | | * @author Till Klampaeckel <till@php.net> |
| | | * @see http://de2.php.net/manual/en/ref.fileinfo.php |
| | | * @see http://de2.php.net/mime_content_type |
| | | */ |
| | | public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false) |
| | | public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false, $skip_suffix = false) |
| | | { |
| | | $mime_type = null; |
| | | $mime_magic = rcube::get_instance()->config->get('mime_magic'); |
| | | $mime_ext = @include RCUBE_CONFIG_DIR . '/mimetypes.php'; |
| | | $mime_ext = $skip_suffix ? null : @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | |
| | | // use file name suffix with hard-coded mime-type map |
| | | if (is_array($mime_ext) && $name) { |
| | |
| | | |
| | | |
| | | /** |
| | | * Get mimetype => file extension mapping |
| | | * |
| | | * @param string Mime-Type to get extensions for |
| | | * @return array List of extensions matching the given mimetype or a hash array with ext -> mimetype mappings if $mimetype is not given |
| | | */ |
| | | public static function get_mime_extensions($mimetype = null) |
| | | { |
| | | static $mime_types, $mime_extensions; |
| | | |
| | | // return cached data |
| | | if (is_array($mime_types)) { |
| | | return $mimetype ? $mime_types[$mimetype] : $mime_extensions; |
| | | } |
| | | |
| | | // load mapping file |
| | | $file_paths = array(); |
| | | |
| | | if ($mime_types = rcube::get_instance()->config->get('mime_types')) |
| | | $file_paths[] = $mime_types; |
| | | |
| | | // try common locations |
| | | $file_paths[] = '/etc/httpd/mime.types'; |
| | | $file_paths[] = '/etc/httpd2/mime.types'; |
| | | $file_paths[] = '/etc/apache/mime.types'; |
| | | $file_paths[] = '/etc/apache2/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/httpd/conf/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/apache/conf/mime.types'; |
| | | |
| | | foreach ($file_paths as $fp) { |
| | | if (is_readable($fp)) { |
| | | $lines = file($fp, FILE_IGNORE_NEW_LINES); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | $mime_types = $mime_extensions = array(); |
| | | $regex = "/([\w\+\-\.\/]+)\t+([\w\s]+)/i"; |
| | | foreach((array)$lines as $line) { |
| | | // skip comments or mime types w/o any extensions |
| | | if ($line[0] == '#' || !preg_match($regex, $line, $matches)) |
| | | continue; |
| | | |
| | | $mime = $matches[1]; |
| | | foreach (explode(' ', $matches[2]) as $ext) { |
| | | $ext = trim($ext); |
| | | $mime_types[$mime][] = $ext; |
| | | $mime_extensions[$ext] = $mime; |
| | | } |
| | | } |
| | | |
| | | // fallback to some well-known types most important for daily emails |
| | | if (empty($mime_types)) { |
| | | $mime_extensions = @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | $mime_extensions += array('gif' => 'image/gif', 'png' => 'image/png', 'jpg' => 'image/jpg', 'jpeg' => 'image/jpeg', 'tif' => 'image/tiff'); |
| | | |
| | | foreach ($mime_extensions as $ext => $mime) |
| | | $mime_types[$mime][] = $ext; |
| | | } |
| | | |
| | | return $mimetype ? $mime_types[$mimetype] : $mime_extensions; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Detect image type of the given binary data by checking magic numbers. |
| | | * |
| | | * @param string $data Binary file content |